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. 2019 May 23;7(2):43. doi: 10.3390/vaccines7020043

Figure 4.

Figure 4

Antibody response to the anti-PRRSV antibody. (A) Evaluation of antibodies against the anti-PRRSV antibody at the beginning of the experiment (Day 0), at the time of the booster immunization (Day 21), at the time of the challenge (Day 35), and at the end of the experiment (Day 56) by ELISA. Gray bars represent the control group, and blue bars represent the vaccine group. Bars represent the mean ± standard error (SE) of three animals. (B) Antibody response evaluated by a commercial kit from IDEXX to confirm seroconversion in the challenged pigs.